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<h1>src/qvip/qvip.h File Reference</h1>
<p>File from the QVision library.  
<a href="#_details">More...</a></p>
<code>#include &lt;iostream&gt;</code><br/>
<code>#include &lt;<a class="el" href="qvdefines_8h_source.html">qvdefines.h</a>&gt;</code><br/>
<code>#include &lt;<a class="el" href="qvip_2qvimageio_8h_source.html">qvimageio.h</a>&gt;</code><br/>
<code>#include &lt;QVImage&gt;</code><br/>
<code>#include &lt;QVPolyline&gt;</code><br/>
<code>#include &lt;QFile&gt;</code><br/>
<code>#include &lt;<a class="el" href="qvvector_8h_source.html">qvmath/qvvector.h</a>&gt;</code><br/>
<code>#include &lt;QPoint&gt;</code><br/>

<p><a href="qvip_2qvip_8h_source.html">Go to the source code of this file.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Enumerations</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#ga2d3c88a18a68f0abe71eb8bc6fd2b277">FASTDetectionAlgorithm</a> </td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><p>FAST detection algorithms. </p>
 <a href="group__qvip.html#ga2d3c88a18a68f0abe71eb8bc6fd2b277">More...</a><br/></td></tr>
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvipp.html#ga500350a4e3dc3d05b99bd034ab65a67b">FilterHarrisCornerResponseImage</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar &gt; &amp;image, <a class="el" href="classQVImage.html">QVImage</a>&lt; sFloat &gt; &amp;result, int aperture=3, int avgwindow=5, const QPoint &amp;destROIOffset=QPoint(0, 0))</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Obtains the Harris corner response image.  <a href="group__qvipp.html#ga500350a4e3dc3d05b99bd034ab65a67b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvipp.html#ga26877fdb37dbf494fa5672d84b7d3519">FilterDoG</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar &gt; &amp;image, <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar &gt; &amp;result)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Obtains the DoG corner response image.  <a href="group__qvipp.html#ga26877fdb37dbf494fa5672d84b7d3519"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvipp.html#gaa9474c9f380746aaa24f9997bada59f5">SobelCornerResponseImage</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; sFloat &gt; &amp;image, <a class="el" href="classQVImage.html">QVImage</a>&lt; sFloat &gt; &amp;result)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Obtains the Sobel corner response image.  <a href="group__qvipp.html#gaa9474c9f380746aaa24f9997bada59f5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvipp.html#ga5e1dd92e6da496d1e621861eb2b67cf9">FilterHessianCornerResponseImage</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; sFloat &gt; &amp;image, <a class="el" href="classQVImage.html">QVImage</a>&lt; sFloat &gt; &amp;result, const QPoint &amp;destROIOffset=QPoint(0, 0))</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Obtains the Hessian corner response image.  <a href="group__qvipp.html#ga5e1dd92e6da496d1e621861eb2b67cf9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvipp.html#gaacf3624cc8f531fccb9a436878af3fba">FilterSeparable</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; sFloat, 1 &gt; &amp;image, <a class="el" href="classQVImage.html">QVImage</a>&lt; sFloat, 1 &gt; &amp;dest, const <a class="el" href="classQVVector.html">QVVector</a> &amp;rowFilter, const <a class="el" href="classQVVector.html">QVVector</a> &amp;colFilter, const QPoint &amp;destROIOffset=QPoint(0, 0))</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Applies a separable filter.  <a href="group__qvipp.html#gaacf3624cc8f531fccb9a436878af3fba"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QMap&lt; sFloat, QPointF &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvipp.html#gaa3b64cec3b1037dc5935e6c37ef277e6">fastMaximalPoints</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; sFloat &gt; &amp;image, const double threshold=1.0, const int windowSize=2)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Finds luminance peaks in the input image.  <a href="group__qvipp.html#gaa3b64cec3b1037dc5935e6c37ef277e6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QMap&lt; uChar, QPointF &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvipp.html#gacbdf9bb3ccccd60cf561cf7fbd5b94c7">fastMaximalPoints</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar &gt; &amp;image, const double threshold, const int windowRadius=2)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Finds luminance peaks in the input image This is an overloaded version provided for convenience. Processing 8 bit depth images is faster than doing it on 64 floating images.  <a href="group__qvipp.html#gacbdf9bb3ccccd60cf561cf7fbd5b94c7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QMap&lt; sFloat, QPointF &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#gad2ed4c0a62c68685797fe9c88148426a">maximalPoints</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; sFloat &gt; &amp;image, const double threshold=1.0, const int windowRadius=2)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Finds luminance peaks in the input image.  <a href="group__qvip.html#gad2ed4c0a62c68685797fe9c88148426a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#gade8ced9dc785b2238de521daff597b13">FilterLocalMax</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; sFloat &gt; &amp;src, <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar &gt; &amp;dest, uInt colMaskSize, uInt rowMaskSize, sFloat threshold=0)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Generates a binary image of local grey-scale maximal value pixels.This function receives a <a class="el" href="classQVImage.html" title="Image representation class for the QVision.">QVImage</a>, and generates a binary image where each pixel is set to IPP_MAX_8U if the pixel in the original image is strict maximal in value regarding to pixels in a vicinity window of colMaskSize width, and rowMaskSize height.  <a href="group__qvip.html#gade8ced9dc785b2238de521daff597b13"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QVector&lt; QVector&lt; QPoint &gt; &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#ga192921df3cd4daafb183772dc960d138">CountingSort</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar, 1 &gt; &amp;img)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Sorts pixels in an image, given their gray-scale value.This function uses the <a href="http://en.wikipedia.org/wiki/Counting_sort">Counting Sort</a> algorithm to get an arrangement of the pixels of an input 8-bit image, regarding their gray-scale value. This arrangement is useful when you need to process the pixels of that image, which contain a certain gray-scale value.  <a href="group__qvip.html#ga192921df3cd4daafb183772dc960d138"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#ga69b4cc8c2c9561eb4623cb86ddd16fff">IterativePointElimination</a> (const <a class="el" href="classQVPolyline.html">QVPolyline</a> &amp;polyline, <a class="el" href="classQVPolyline.html">QVPolyline</a> &amp;result, const double param, bool maxNumberOfPointsMethod=FALSE, bool intersectLines=TRUE, double *max_removed_cost=NULL)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Eliminates points of a polyline of small shape contribution using the IPE algorithmThis function eliminates points of a <a class="el" href="classQVPolylineF.html" title="Floating point polyline representation.">QVPolylineF</a>, simplifying it. Points are recursively eliminated while a) their distance to the line joining its two immediate neighbours is smaller than a given maximum value, or b) the number of points of the approximated polyline falls below a given number (depending on the chosen method).  <a href="group__qvip.html#ga69b4cc8c2c9561eb4623cb86ddd16fff"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#ga38efea2a64358c2fcf43fc302b0b3595">IterativePointElimination</a> (const <a class="el" href="classQVPolylineF.html">QVPolylineF</a> &amp;polyline, <a class="el" href="classQVPolylineF.html">QVPolylineF</a> &amp;result, const double param, bool maxNumberOfPointsMethod=FALSE, bool intersectLines=TRUE, double *max_removed_cost=NULL)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Eliminates points of a polyline of small shape contribution using the IPE algorithmThis is an overloaded version of the <em>IterativePointElimination</em>, provided for convenience. It simplifies floating point polylines.  <a href="group__qvip.html#ga38efea2a64358c2fcf43fc302b0b3595"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QList&lt; <a class="el" href="classQVPolyline.html">QVPolyline</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#gacfe3100b9457c7fe9965a0b0e937ba24">getConnectedSetBorderContoursThreshold</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar &gt; &amp;image, const uChar threshold=128)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Obtains the borders of connected sets of pixels, containing gray-scale values equal or greater than a given threshold.This function thresholds an input image. Then it obtains the borders of the <a href="http://en.wikipedia.org/wiki/Connected_set">connected sets</a> of the pixels remaining. An example of these connected sets, and the borders this function obtains can be seen in the following picture:  <a href="group__qvip.html#gacfe3100b9457c7fe9965a0b0e937ba24"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QList&lt; <a class="el" href="classQVPolyline.html">QVPolyline</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#ga5dab7ea4ed1170143df3e59fdd895bf9">getLineContoursThreshold4Connectivity</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar &gt; &amp;image, const uChar threshold=128)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Obtains a list of the 4-connected pixel lines in the imageThis function can be used to obtain the 4-connected lines appearing in a border response image. It returns the lines as a <a class="el" href="classQVPolyline.html">QVPolyline</a> objects.  <a href="group__qvip.html#ga5dab7ea4ed1170143df3e59fdd895bf9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QList&lt; <a class="el" href="classQVPolyline.html">QVPolyline</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#ga804db01dcec15dce0c303ed4a4715bd6">getLineContoursThreshold8Connectivity</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar &gt; &amp;image, const uChar threshold=128)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Obtains a list of the 8-connected pixel lines in the imageThis function can be used to obtain the 8-connected lines appearing in a border response image. It returns the lines as a <a class="el" href="classQVPolyline.html">QVPolyline</a> objects.  <a href="group__qvip.html#ga804db01dcec15dce0c303ed4a4715bd6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QList&lt; QPointF &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#ga48592e8d0ecc14b8a01c373e97a0b630">FASTFeatures</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar, 1 &gt; &amp;image, const int threshold, const <a class="el" href="group__qvip.html#ga2d3c88a18a68f0abe71eb8bc6fd2b277">FASTDetectionAlgorithm</a> &amp;fastAlgorithm=Fast9)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Obtains FAST features on an image-.  <a href="group__qvip.html#ga48592e8d0ecc14b8a01c373e97a0b630"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classQVImage.html">QVImage</a>&lt; uChar, 1 &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#ga0a73e3730368b307c874e53dd5af54c4">FastLaplaceFilter</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar, 1 &gt; image)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Applies a fast Laplace filter on the input image.  <a href="group__qvip.html#ga0a73e3730368b307c874e53dd5af54c4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classQVImage.html">QVImage</a>&lt; uChar, 1 &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#ga69cc8d72179389d9897aa9ac97d62c33">FastSmoothFilter</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar, 1 &gt; image, const uChar threshold=0)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Applies a fast smooth filter on the input image.  <a href="group__qvip.html#ga69cc8d72179389d9897aa9ac97d62c33"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classQVImage.html">QVImage</a>&lt; uChar, 1 &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#ga083ddecc2c02b1aa32bd2dd9d6c69601">SmoothFilter</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar, 1 &gt; image, const uChar threshold=0)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Applies a smooth filter on the input image.  <a href="group__qvip.html#ga083ddecc2c02b1aa32bd2dd9d6c69601"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QList&lt; QPointF &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__qvip.html#gab0e45b1b85498b4df9cbd1af432cbaea">FastLaplacePoints</a> (const <a class="el" href="classQVImage.html">QVImage</a>&lt; uChar, 1 &gt; &amp;image, const int threshold=40, const bool applyPreviousSmooth=true, const bool smoothResponseImage=true)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Detects salient points in the Laplace response of an input image.  <a href="group__qvip.html#gab0e45b1b85498b4df9cbd1af432cbaea"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>File from the QVision library. </p>
<dl class="author"><dt><b>Author:</b></dt><dd>PARP Research Group. University of Murcia, Spain. </dd></dl>

<p>Definition in file <a class="el" href="qvip_2qvip_8h_source.html">qvip.h</a>.</p>
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<center><a href="http://perception.inf.um.es/QVision">QVision framework</a>.
<a href="http://perception.inf.um.es">PARP research group</a>.
Copyright &copy; 2007, 2008, 2009, 2010, 2011.</center>
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